Shield



FIG. 1 is a top front perspective view of a shield showing our new design;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a top rear perspective view thereof;

FIG. 4 is another top rear perspective view thereof;

FIG. 5 is a bottom rear perspective view thereof;

FIG. 6 is another bottom rear perspective view thereof;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a left side elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is an enlarged partial top front perspective view thereof;

FIG. 14 is an enlarged partial front elevational view thereof;

FIG. 15 is an enlarged partial rear perspective view thereof; and,

FIG. 16 is another enlarged partial rear perspective view thereof.

The broken lines are for the purpose of illustrating portions of the article that form no part of the claim.

The dash-dot broken lines in FIGS. 13-16 enclose portions of the claimed design that are illustrated in enlargements and form no part of the claimed design. 

CLAIM The ornamental design for a shield, as shown and described. 